Running exercises?

Who recently broke babe ruth's records of 715 career home runs?

How come when I run for like 2 minutes, I get a really bad cramp in my left side?

I have a a fairly good endurance but I am not at all a fast runner. How can I improve my stride to gain speed? Are there any ...

Instead of running aimlessly, I've decided to run 2 kilometers a day, working on my time every time I go. I can run 2k in 7-8...

My coach told me that I will be on the varsity cross contry team next year. However, I'm afraid that I will embaress myself. ...

Lets compare times and stuff. im bored.

How do you improve your running? Are there any techniques?

Who here has run a marathon or semi? Whats your best time? I had my first semi marathon yeasterday with a time of 1 h 48!

is their any body who is really serious about running (any good tips to really improve endurance)

Ok I joined cross country an I'm 17 and I have never join a sport before an I'm only doing it because it could be good to pu...